A single ejaculation contains ...A... to ...B | vedclass

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Question

(B) Semen is a collection of secretions from the seminal vesicles,prostate gland,and Cowper's glands,along with sperms from the testes.$A$ single ejac

Vedclass · Accepted Answer

$A-200, B-300, C-7.35, D-7.50$

Vedclass · Answer

(B) Semen is a collection of secretions from the seminal vesicles,prostate gland,and Cowper's glands,along with sperms from the testes.$A$ single ejaculation typically contains $200-300$ million spermatozoa (sperms).For normal fertility,at least $60\%$ of these sperms must have normal shape and size,and at least $40\%$ must show vigorous motility.Semen has a pH range of $7.35-7.50$.Its alkalinity helps to neutralize the acidity of the urethra and protects the sperms from the acidic environment of the vagina.

Column $I$	Column $II$
$(a)$ Testis and ovary	$(1)$ Part of reproductive organ that transports germ cells
$(b)$ Clitoris	$(2)$ Developing fleshy fold surrounding both sides of the urogenital groove
$(c)$ Oviduct	$(3)$ Gametes which produce germ cells
$(d)$ Scrotum,labium majora	$(4)$ Organs associated with sexual response

$A$ single ejaculation contains $...A...$ to $...B...$ million spermatozoa. Semen has a pH of $...C...$ to $...D...$. Its alkalinity helps to neutralize the acidity of the urethra. Here $A, B, C$ and $D$ refer to:

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